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Returning to Scotland to help Bridget's family repair their ancient castle, the Thea Sisters launch a determined rescue attempt when Bridget is kidnapped, in an adventure marked by mysterious messages, hidden treasures, and Celtic legends.

Time has gone wrong, and best friends Dak Smyth and Sera Froste, together with the young Hystorian Riq, must use the infinity ring to travel back to one of the Great Breaks--a mutiny on the Santa Mar�ia--to correct history and defeat the SQ.

The Outcast recreates the conditions for the Titanic disaster and gives Dan and Amy Cahill just days to stop the shipwreck from taking place.

When thousands of Viking warriors descend on medieval Paris, Dak is captured and forced to work with the invaders while Sera and Riq defend the city, a situation that places them on opposing sides.

Visiting his dad's hometown in Japan four months after his father's death would be hard enough for Ben. But one morning the pain turns to fear: first, a massive earthquake rocks the quiet coastal village, nearly toppling his uncle's house. Then the ocean waters rise and Ben and his family are swept away -- and pulled apart -- by a terrible tsunami. Now Ben is alone, stranded in a strange country a million miles from home. Can he fight hard enough...